Fixes issue where Web Speech API drops a frame every 5.1 seconds

media/audio/audio_input_controller.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/audio/audio_input_controller.h"
 
 #include "base/bind.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 541 matching lines @@
                                         this,
                                         average_power_dbfs,
                                         mic_volume_percent));
 
       last_audio_level_log_time_ = base::TimeTicks::Now();
     }
 #endif
     return;
   }
 
+  DVLOG(1) << "AIC::OnData: " << source->frames();
+
   // TODO(henrika): Investigate if we can avoid the extra copy here.
   // (see http://crbug.com/249316 for details). AFAIK, this scope is only
   // active for WebSpeech clients.
   scoped_ptr<AudioBus> audio_data =
       AudioBus::Create(source->channels(), source->frames());
   source->CopyTo(audio_data.get());
 
   // Ownership of the audio buffer will be with the callback until it is run,
   // when ownership is passed to the callback function.
   task_runner_->PostTask(
@@ skipping 98 matching lines @@
 }
 
 void AudioInputController::LogSilenceState(SilenceState value) {
   UMA_HISTOGRAM_ENUMERATION("Media.AudioInputControllerSessionSilenceReport",
                             value,
                             SILENCE_STATE_MAX + 1);
 }
 #endif
 
 }  // namespace media